CVE-2025-31510

HIGH

LemonLDAP::NG < 2.16.5 and 2.17.0-2.21.0 - Cross-Site Scripting via Tab Parameter

Title source: llm

Description

In the portal in LemonLDAP::NG before 2.21.0, cross-site scripting (XSS) allows remote attackers to inject arbitrary web script or HTML (into the login page) via the tab parameter, for Choice authentication.

References (2)

Core 2

Core References

Mailing List

https://lists.debian.org/debian-lts-announce/2025/04/msg00017.html

Issue Tracking

https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues/3341

Scores

CVSS v3 7.2

EPSS 0.0038

EPSS Percentile 29.6%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-79

Status published

Products (2)

lemonldap-ng/LemonLDAP::NG 2.0.8 - 2.16.5

lemonldap-ng/LemonLDAP::NG 2.17.0 - 2.21.0

Published Jan 16, 2026

Tracked Since Feb 18, 2026